Yamaha CD-S1000 Service Manual page 45

A B C
POWER
1
2
POWER (2)
R, L models
R, L models
3
W604B W604A
W601B W601A
CB604
W605B W605A
W603B W603A
W602B W602A
VOLTAGE
SELECTOR
4 CB603
5
POWER
ON/OFF
POWER (3)
6
CB613 CB614
7
AC IN
8
9
10
D E F
CB606
R, L models
AC26.9
POWER TRANSFORMER
CB607 AC9.9
AC12.1
CB603
AC27.6
AC4.0
POWER TRANSFORMER
U, C, T, K, A, B, G, J models
5.3
0
IC603: NJM78M05FA IC604: NJM7808FA
3-terminal positive voltage regulator 3-terminal voltage regulator
IN
OUT
GND
G H I
17.1
15.0
14.4
14.4
0 12.2
-17.0 17.1 5.1
5.7
0
0
0
-5.5
-5.0
-14.4 -12.3
-14.4
-15.0
-17.0
17.1
14.8
14.4
14.4
11.9
0
5.6
-17.0 17.1 5.0
5.6
0
0
0
-5.5
-4.9
-5.5
-12.2
-14.4
-14.5
-15.1
-17.0
11.1 8.1
5.6
IC661
0
11.1
11.1 8.1
0
5.6
14.1 8.2
7.1
IC604
0 14.1
14.1 8.2
0
7.1
17.6
0 35.5
35.5 29.6
30.2
17.6
30.2
0
IC606: NJM78L12UA IC605: PQ033ES3MXP
3-terminal positive voltage regulator Low power loss regulator
INPUT VIN
DC input (Vin) 3
IC
OUTPUT
2
VOUT
GND
GND
GND
J K L
CB608
Page 44 B2
to AUDIO_CB5
CB609
Page 44 B8
to AUDIO_CB6
POWER (1)
8.1 5.1
5.1 3.3
IC603
IC605
8.1
5.1
0
5.1 3.3
0
REGULATOR
-12.1
25.1 12.1
8.1 8.1
8.1
8.1
IC606
0
8.1
25.1 12.1
0
7.9 -12.1
8.1 7.9
8.1
CB612
To LOADER unit
IC661: BA08CC0T
1A low dropout voltage regulator
1 DC output (Vo)
Vref
Driver
# All voltages are measured with a 10MΩ/V DC electronic voltmeter.
# Components having special characteristics are marked s and must be replaced
3 VOUT
with parts having specifications equal to those originally installed.
Vcc 1
# Schematic diagram is subject to change without notice.
OVP TSD OCP
2
GND
M N
CD-S1000
CB610
Page 41 L2
to DIGITAL (1)_W306
CB611
Page 41 B8
to DIGITAL (1)_W309
45